Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7660040 | Diffuse reflective article | Adam Starry, William John Gambogi, Jr., Robert W. Johnson, Edwin James Lightfoot, Hyunkook Shin +1 more | 2010-02-09 |
| 6081354 | Holographic reflector for liquid crystal display | William John Gambogi, Jr. | 2000-06-27 |
| 5930011 | Holographic Multicolor optical elements for use in liquid crystal displays and methods of making the elements | William John Gambogi, Jr., Steven R. MacKara, Paul J. Martin, Andrew M. Weber | 1999-07-27 |
| 5633100 | Holographic imaging using filters | Daniel J. Mickish, Steven R. MacKara | 1997-05-27 |
| 5034299 | Mineral acids as charge adjuvants for positive liquid electrostatic developers | William A. Houle, James R. Larson, Kathryn A. Pearlstine | 1991-07-23 |
| 5026427 | Process for making pigmented ink jet inks | Robert D. Mitchell | 1991-06-25 |
| 5009980 | Aromatic nitrogen-containing compounds as adjuvants for electrostatic liquid developers | Lyla M. El-Sayed | 1991-04-23 |
| 4985329 | Bipolar liquid electrostatic developer | Lyla M. El-Sayed, Sanford M. Marcus | 1991-01-15 |
| 4971883 | Metal alkoxide modified resins for negative-working electrostatic liquid developers | Dominic M. Chan | 1990-11-20 |
| 4965152 | Holographic notch filters | Dalen E. Keys, William K. Smothers | 1990-10-23 |
| 4963471 | Holographic photopolymer compositions and elements for refractive index imaging | Dominic M. Chan, Bruce M. Monroe | 1990-10-16 |
| 4959283 | Dry film process for altering wavelength response of holograms | William K. Smothers, Krishna C. Doraiswamy, Mark Armstrong | 1990-09-25 |
| 4935328 | Monofunctional amines as adjuvant for liquid electrostatic developers | Lyla M. El-Sayed, James R. Larson | 1990-06-19 |
| 4917986 | Phosphorous-containing compounds as adjuvant for positive electrostatic liquid developers | Dominic M. Chan | 1990-04-17 |
| 4917985 | Organic sulfur-containing compounds as adjuvants for positive electrostatic liquid developers | Lyla M. El-Sayed | 1990-04-17 |
| 4886726 | Glycerides as charge directors for liquid electrostatic developers | Dominic M. Chan, Lyla M. El-Sayed, Chandrakant B. Thanawalla | 1989-12-12 |
| 4859559 | Hydroxycarboxylic acids as adjuvants for negative liquid electrostatic developers | — | 1989-08-22 |
| 4794066 | Process for preparation of liquid electrostatic developer | Arthur J. Taggi | 1988-12-27 |
| 4783389 | Process for preparation of liquid electrostatic developers | James R. Larson | 1988-11-08 |
| 4772528 | Liquid electrostatic developers composed of blended resins | James R. Larson | 1988-09-20 |
| 4740444 | Process for preparation of electrostatic liquid developing using metallic soap as adjuvant | — | 1988-04-26 |
| 4707429 | Metallic soap as adjuvant for electrostatic liquid developer | — | 1987-11-17 |
| 4681831 | Chargeable resins for liquid electrostatic developers comprising partial ester of 3-hydroxypropanesulfonic acid | James R. Larson | 1987-07-21 |